GLOSSARY OF TERMS USED 237 
Seed.—An ovule that has been fertilised and is mature. 
Seed-vessel.—Or fruit. 
Segment.—A portion of a divided leaf, calyx, etc., or lobe. 
Self-pollination.—When pollen from the anthers of a plant is 
transferred to the stigma of the same plant. 
Semi-sagittate.—Half arrow-shaped. 
Sepaloid.—Resembling a sepal. 
Sepal.—The segments of a calyx. 
Septate.—Having septa or partitions. 
Septicidal.— When the septa of a fruit are split down the middle. 
Serrate.— With saw-like teeth. 
Serrulate.—With small saw-like teeth. 
Sessile.—Not stalked. 
Setaceous.—Bristle-like. 
Sheath.—The lower part of a leaf or leaf-stalk enveloping the 
stem. 
Shoot.—The stem and leaves. 
Short-styled.—A form in which the style is short and the anthers 
above the stigma. 
Sigmoid.—Shaped like an S. 
Simple.—Not branched or compound. 
Silicula.—As broad as long, like a siliqua. 
Siliqua.—A dry pod with two valves with an internal transverse 
membrane. 
Sinuate.— Wavy, of the margins of leaves. 
Sobole.—Subterranean, thin creeping stem; an underground stole, 
Spadiceous.—Forming a spadix or succulent spike with sessile 
flowers. 
Spathaceous.—Having a spathe enclosing a spadix. 
Spathulate.—Spoon-shaped. 
Spike.—A long indefinite inflorescence with sessile flowers. 
Spikelet.—A cluster of flowers enclosed in a glume. 
Spinose.—Bearing spines. 2 
Sporophylls.—Stamens in phanerogams. 
Spur.—A tubular expansion of the flower. 
Stamens.—The pollen-bearing part of the flower, bearing fila- 
ments and anthers, collectively an andrcecium, and equal to micro- 
sporophylls, 
Staminate.—Of a flower in which only stamens occur; a male 
flower. 
Staminode.—A scale within the upper lip in Scrophularia. 
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